EP0451688A3 - Dental embedding powders with improved flow behaviour - Google Patents

Dental embedding powders with improved flow behaviour Download PDF

Info

Publication number
EP0451688A3
EP0451688A3 EP19910105285 EP91105285A EP0451688A3 EP 0451688 A3 EP0451688 A3 EP 0451688A3 EP 19910105285 EP19910105285 EP 19910105285 EP 91105285 A EP91105285 A EP 91105285A EP 0451688 A3 EP0451688 A3 EP 0451688A3
Authority
EP
European Patent Office
Prior art keywords
improved flow
flow behaviour
powders
dental
dental embedding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910105285
Other languages
German (de)
Other versions
EP0451688B1 (en
EP0451688A2 (en
Inventor
Peter Dr. Schwabe
Wilhelm Dipl.-Oekon. Theis
Reiner Dipl.-Ing. Voigt
Jens Dr. Winkel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kulzer GmbH
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of EP0451688A2 publication Critical patent/EP0451688A2/en
Publication of EP0451688A3 publication Critical patent/EP0451688A3/en
Application granted granted Critical
Publication of EP0451688B1 publication Critical patent/EP0451688B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/858—Calcium sulfates, e.g, gypsum
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00836—Uses not provided for elsewhere in C04B2111/00 for medical or dental applications

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Ceramic Engineering (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dental Preparations (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

The present invention relates to embedding compositions with improved flow behaviour based on gypsum and magnesium oxide/phosphate, to the preparation thereof and the use thereof for preparing cast repair materials, especially in dental engineering.
EP91105285A 1990-04-12 1991-04-03 Dental embedding powders with improved flow behaviour Expired - Lifetime EP0451688B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4011871 1990-04-12
DE4011871A DE4011871A1 (en) 1990-04-12 1990-04-12 POWDERFUL DENTAL INSERTS WITH IMPROVED FLOW BEHAVIOR

Publications (3)

Publication Number Publication Date
EP0451688A2 EP0451688A2 (en) 1991-10-16
EP0451688A3 true EP0451688A3 (en) 1992-10-28
EP0451688B1 EP0451688B1 (en) 1994-10-05

Family

ID=6404296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105285A Expired - Lifetime EP0451688B1 (en) 1990-04-12 1991-04-03 Dental embedding powders with improved flow behaviour

Country Status (8)

Country Link
US (1) US5304239A (en)
EP (1) EP0451688B1 (en)
JP (1) JPH04234802A (en)
AT (1) ATE112482T1 (en)
CA (1) CA2040044A1 (en)
DE (2) DE4011871A1 (en)
DK (1) DK0451688T3 (en)
ES (1) ES2061095T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3524293B2 (en) * 1995-11-17 2004-05-10 株式会社ジーシー Dental gypsum investment composition
US6689202B2 (en) * 2000-07-21 2004-02-10 Jeneric/Pentron Incorporated Molds for the manufacture of a dental restoration and methods of making dental restorations
US6415955B1 (en) 2001-03-20 2002-07-09 David Ostreicher Plaster ejector gun with disposable cartridge
US6822033B2 (en) 2001-11-19 2004-11-23 United States Gypsum Company Compositions and methods for treating set gypsum
NL1020577C2 (en) * 2002-05-10 2003-11-11 Elephant Dental Bv Low-dust investment material.
JP4272929B2 (en) * 2003-06-16 2009-06-03 株式会社ノリタケカンパニーリミテド Molding material for metal casting
US8070895B2 (en) 2007-02-12 2011-12-06 United States Gypsum Company Water resistant cementitious article and method for preparing same
US8329308B2 (en) 2009-03-31 2012-12-11 United States Gypsum Company Cementitious article and method for preparing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170020A2 (en) * 1984-06-30 1986-02-05 Bayer Ag Impression material and process for preparing it
EP0217270A2 (en) * 1985-10-02 1987-04-08 Bayer Ag Dust-free alginate impression materials
GB2187728A (en) * 1986-03-12 1987-09-16 G C Dental Ind Corp Dental investment compositions in powdery form

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170020A2 (en) * 1984-06-30 1986-02-05 Bayer Ag Impression material and process for preparing it
EP0217270A2 (en) * 1985-10-02 1987-04-08 Bayer Ag Dust-free alginate impression materials
GB2187728A (en) * 1986-03-12 1987-09-16 G C Dental Ind Corp Dental investment compositions in powdery form

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 109, no. 20, 14. November 1988, Columbus, Ohio, US; abstract no. 176382J, *

Also Published As

Publication number Publication date
JPH04234802A (en) 1992-08-24
EP0451688B1 (en) 1994-10-05
ATE112482T1 (en) 1994-10-15
DK0451688T3 (en) 1995-03-27
DE4011871A1 (en) 1991-10-17
ES2061095T3 (en) 1994-12-01
CA2040044A1 (en) 1991-10-13
EP0451688A2 (en) 1991-10-16
DE59103147D1 (en) 1994-11-10
US5304239A (en) 1994-04-19

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